16.20 - Collecting Statistics for Star Joins - Teradata Database - Teradata Vantage NewSQL Engine

Teradata Vantage™ SQL Data Definition Language Detailed Topics

Product
Teradata Database
Teradata Vantage NewSQL Engine
Release Number
16.20
Release Date
March 2019
Content Type
Programming Reference
Publication ID
B035-1184-162K
Language
English (United States)

You should always collect statistics on the primary index or primary AMP index of small tables that you plan to join regularly to large tables to ensure maximal star join optimization.